Home / 93,660.77-129,212.66-61,403.13

Finding the Fourth Proportional to 93,660.77, 129,212.66 and 61,403.13

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Solution

The fourth proportional to 93,660.77, 129,212.66 and 61,403.13 is: 84,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,660.77 : 129,212.66 = 61,403.13 : x
  2. Step 2: Convert to fraction form
    93,660.77/129,212.66 = 61,403.13/x
  3. Step 3: Cross multiply
    93,660.77x = 129,212.66 × 61,403.13
  4. Step 4: Simplify right side
    93,660.77x = 7,934,061,452.61
  5. Step 5: Solve for x
    x = 7,934,061,452.61/93,660.77
  6. Step 6: Final answer
    x = 84,710.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.